BACKGROUND "Low dead space" syringes with permanently attached needles retain less fluid, blood, and HIV after use than standard "high dead space" syringes. This reduces the probability of HIV transmission if they are shared by people who inject drugs (PWID). The World Health Organization recently recommended that needle and syringe programs (NSP) offer clients low dead space syringes. The succ...

INTRODUCTION The aim of this study was to evaluate the effect of needle-insertion depth on the irrigant flow inside a prepared root canal during final irrigation with a syringe and two different needle types using a Computational Fluid Dynamics (CFD) model. METHODS A validated CFD model was used to simulate irrigant flow from either a side-vented or an open-ended flat 30-G needle positioned i...

Objective Nusinersen, an extremely expensive biologic drug (around 100,000 US$ per dose) that needs to be administered intrathecally, is approved for the treatment of 5q-spinal muscular atrophy (SMA). Because low muscle tone back muscles pediatric SMA patients, especially type 1 safe, effective, and fast execution sheath injection needed. Therefore, a modified intrathecal method was developed a...

Central venous catheter (CVC) placement is an essential component of modern-day critical care. Its use was first documented by Werner Forssman in 1929, and Seldinger perfected the technique in 1953.(1) Although CVC insertion is a routine practice, it is not devoid of complications. We report a rare event in which the introducer needle shaft was fractured from its hub during CVC insertion in the...

Electrospinning of Silica Nanofibers: Characterization and Application to Biosensing. (August 2006) Pei-Hsiang Tsou, B.S., National Chiao Tung University, Taiwan Chair of Advisory Committee: Dr. Jun Kameoka Electrospinning is a technique to achieve nanometer scale fibers. Similar to the conventional spin methods of making fabric, the viscous polymer solution is ejected from a spinneret; stretch...

We describe the design, characterization, and application of a simple, highly collimated, compact atomic/molecular beam source. This source is based on segmented capillary constructed using syringe needle. Angular width measurements free molecular flow simulations show that structure effectively suppresses atoms traveling in off-axis directions, resulting narrow Helium having 7 mrad (full half ...

BACKGROUND Coverage is used as one indicator of needle and syringe program (NSP) effectiveness. At the individual level, coverage is typically defined as an estimate of the proportion of a person who injects drugs' (PWID) injecting episodes that utilise a sterile syringe. In this paper, we explore levels of individual syringe coverage and its changes over time. METHODS Data were extracted fro...

Introduction Fine Needle aspiration cytology (FNAC) is currently practiced worldwide.Fine aspiration cytology has proven to be an effective first line diagnostic tool in evaluating palpable thyroid lesions. It allows better selection of the patients who need to undergo a surgical procedure (1). However, in most of thyroid lesions, an unsatisfactory specimen, especially mixed with blood, poses a...

PURPOSE We describe pain scores for a modified anesthesia technique for no-scalpel vasectomy using a 1-inch 30 gauge mini-needle. MATERIALS AND METHODS A prospective study was performed in 277 patients who received anesthesia using a 3 cc syringe filled with approximately 2 cc 2% lidocaine without epinephrine and a 1-inch 30 gauge needle. Local anesthesia was given directly to the vas at the ...